#ifndef _STDC_ISO646_H_
#define _STDC_ISO646_H_

#define and                             &&
#define and_eq                          &=
#define bitand                          &
#define bitor                           |
#define compl                           ~
#define not                                     !
#define not_eq                          !=
#define or                                      ||
#define or_eq                           |=
#define xor                                     ^
#define xor_eq                          ^=

#endif